在马来西亚,橡胶树最常见的割面病是由棕榈疫霉菌和葡萄疫霉菌引起的条溃疡病。此病防碍健康树皮的正常再生。严重的侵染导致再生皮不平整,在割面上长木瘤和割面凹陷,从而给再次割胶造成困难或根本无法再割胶。条溃疡病的发生大多数取决于气候。在西马来西亚北部的霹 The most common cut disease in rubber trees in Malaysia is ulcer disease caused by Phytophthora capsici and Phytophthora capsici. The disease hinder the normal regeneration of healthy bark. Severe infestation leads to uneven skin, long tumors and cut nibs on the cut surface, which can make it difficult or impossible to cut again. The incidence of ulcer disease depends largely on the climate. Perak in northern western Malaysia